46 C.F.R. § 153.1122 Discharges of NLS residue from tank washing other than a prewash: Categories A, B, and C.
Title 46 - Shipping
Tank washings that do not result from a prewash and that contain Category A, B, or C NLS residues must be discharged to a reception facility or discharged to the sea under §153.1126 or §153.1128 except those tank washings resulting from washing a tank that has been cleaned following a ventilation procedure in the approved Procedures and Arrangements Manual.
Title 46: Shipping
PART 153—SHIPS CARRYING BULK LIQUID, LIQUEFIED GAS, OR COMPRESSED GAS HAZARDOUS MATERIALS
Subpart C—Operations
Approval of Surveyors and Handling of Categories A, B, C, and D Cargo and NLS Residue
§ 153.1122 Discharges of NLS residue from tank washing other than a prewash: Categories A, B, and C.
